*Tohru Sakiyama1 (1.Institute of Geo History, Japan Geochronology Network)
convener:Noritaka Matsubara(Graduate School of Regional Resource Management, University of Hyogo), Yayoi ICHIHASHI(Sado Island Geopark Promotion Office), HIROKO IMAI(Com Support Office /Wakayama University Center for Tourism Research), Hokuto Obara(Mine-Akiyoshidai Karst Plateau Geopark Promotion Council)